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    Subject[PATCH v2 15/15] NULL noise: mm/memcontrol.c
    Date
    Fix this sparse warning:
    mm/memcontrol.c:1637:32: warning: Using plain integer as NULL pointer

    Signed-off-by: Hannes Eder <hannes@hanneseder.net>
    Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
    ---
    v2: other subject, as suggested by Al Viro

    mm/memcontrol.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/mm/memcontrol.c b/mm/memcontrol.c
    index 8e4be9c..09d6650 100644
    --- a/mm/memcontrol.c
    +++ b/mm/memcontrol.c
    @@ -1634,7 +1634,7 @@ static int mem_cgroup_force_empty_list(struct mem_cgroup *mem,
    pc = list_entry(list->prev, struct page_cgroup, lru);
    if (busy == pc) {
    list_move(&pc->lru, list);
    - busy = 0;
    + busy = NULL;
    spin_unlock_irqrestore(&zone->lru_lock, flags);
    continue;
    }


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